As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT LT TRANSITION PANEL STA 727I+10- STA 727G+10 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION IN AFT PIT ON TRANSITION PANEL FROM STA 727I +10 TO STA 727G +10. ORIG THICKNESS .040 PER B737-900ER SRM 53-60-53-01-02; REMOVED .008; MATERIAL REMAINING .032 TO BE OUT OF LIMITS PER B737-900ER SRM 53-00-53-1A-2. REMOVED, FABRICATED, AND INSTALLED TRANSITION PANEL FROM STA 737G +10 TO STA 727I +10 LT SIDE PER B737-900ER SRM 53-00-53-2R-5.